diff --git a/main.py b/main.py
index 5beea29..19542c8 100644
--- a/main.py
+++ b/main.py
@@ -73,7 +73,7 @@ class PromptRequest(BaseModel):
 
 @app.get("/", response_class=HTMLResponse)
 def read_index(request: Request):
-    return templates.TemplateResponse("index.html", {"request": request})
+    return templates.TemplateResponse(request, "index.html")
 
 
 @app.get("/api", response_class=JSONResponse)
diff --git a/requirements.txt b/requirements.txt
index c3d18c0..7cef47e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,22 +1,21 @@
-fastapi
-uvicorn[standard]
-sqlalchemy
-psycopg2-binary
-python-dotenv
-jinja2
-openai
-tavily-python
-wikipedia
-requests
-aisuite
-docstring_parser
+fastapi==0.139.0
+uvicorn[standard]==0.51.0
+psycopg2-binary==2.9.12
+python-dotenv==1.2.2
+Jinja2==3.1.6
+openai==2.45.0
+tavily-python==0.7.26
+wikipedia==1.4.0
+requests==2.34.2
+aisuite==0.1.14
+docstring-parser==0.15
 
 # Core
-pdfminer.six
-pymupdf           # optional but recommended for faster/better PDF text extraction
+pdfminer.six==20260107
+pymupdf==1.28.0          # optional but recommended for faster/better PDF text extraction
 
 # Web/knowledge tools you used in other snippets (optional)
-python-dotenv
+python-dotenv==1.2.2
 
 # SQLite via SQLAlchemy
-SQLAlchemy
+SQLAlchemy==2.0.51